When the Orion Crew Capsule orbits the Moon there will be no one on board. But the mission will mark a key step in bringing humans back to Earth’s dusty sidekick.

Will humans be back on the Moon by 2025? It depends on how well the imminent launch of Artemis-1 goes.

A new technique may provide a unique window into the "teenage" years of the universe that are hard to study with other methods.

Private satellite companies have boomed in recent years, and many experts have wondered what role they would play in a conflict. They have proved to be invaluable to Ukraine in recent months.

Images from the James Webb Space Telescope show what might be one of the earliest galaxies ever discovered, researchers report.

A neutron star has consumed a huge part of its nearby companion and grown to become the heaviest ever found, astronomers report.

Albert Einstein might have the answer.

Cheap and quick to produce, these digitally manufactured plasma sensors could help scientists predict the weather or study climate change.

The head of the Russian space agency announced that the country will withdraw from the International Space Station after 2024. A space policy expert explains what this means and why it’s happening now.